Gasolene cut-off.



LPAGMIO. GAsoLENE cuil-OFF.

APPLICATION FILED AUG-28. 9I4.

spring 21 will be weaker than when. the pisother and connected lo'y the bore of the cas ing, said passages being connected with the fuel ltank and'tlie carburetor respectively, a valve in the casing, a cylinder supported by vthe casing co-aXial with the bore ot' the cas ing, a piston in the cylinder connected with the valve, a spring arranged between the piston and the cylinder and normally holding the valve closed, and' a connection be-' tween the end ofthe cylinder remote from the valve casing and the manifold intake.

2.1%, device of the character specified,

comprising in combination with the carbuf v retei', the manifold intake to which the carother :for connecting the fuel tank to the .bui-eter is connected, the fuel supply tank, and the connection between the supply tank and the carbureter, of a valve casing inter posed in the said connection and having` passages oifset laterally with respect to each carbureter, said passages being connected .by the bore of the valve casing,va valve in the casing, a cylinder supported by the casing, a piston in the cylinder adjustably connected to the valve, a spring normally pressintensa valve, and a connection betweenctlie cylinder and the manifold intake between the carbureter and the piston. t

3. A device of the character specified, comprising in. combination with the carbureter, the manifold intake to which the carbureter is connected, the fuel supply tank', and tlie connection between the supply tank and the carburetor, of a valve interposed in the said connection, a cylinder arranged adjacent to thel valve, a'piston in tlie cylinder, a connection between tlie piston and the valve for operating the saine when the pis ton is moved, a spring normally holding the valve closed, fa connection between the cylinder and the manifold intake between the carbureter and the engine, and means for `varying'f the tension of the spring. l i. A device of the character fspecilied,v comprising in combination witlrtlie carbu.

reter, the manifold iii-take to wliichtlie carbureter is connected, the fuel supply tank and the connection between the supply tank and thev carburetor, of a Valve interposed in the said connection, a cylinder at the valve and connected with the manifold iii-take, a

piston in the cylinder, a spring normally acting to move the piston in the opposite'direction to that which it would be moved by a decrease of air pressure in the manifold intake, and an adjustable connection betweenv 

